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MATH SOLVE
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A bag contains 20 marbles: 5 red, 5 blue, and 10 yellow. What is the probability that a red is randomly selected? A) 1 4 B) 1 6 C) 1 12 D) 1 24
General
2 months ago
Victor left his house riding his bike at a speed of 18 km/hr. When Victor was 1/2 km from his house, his brother Alex left the house riding his bike towards Victor at a rate of 24 km/hr. How long will it take Alex to catch up with Victor?
General
2 months ago
Jack walked from school to his house at a rate of 240 ft/min. His sister Jill left school 2 minutes after Jack, walking home at a rate of 360 ft/min. How long after Jack leaves school does Jill catch up to him?
General
2 months ago
a kite has diagonals 5.8 ft and 6ft. what is the area of the kite
General
2 months ago
A car traveling at 60 mph has how much more energy than a car going at 15 mph? KE increases by a factor of _____. 4 1/4 16 1/16
General
2 months ago
A scientist follows this procedure to test whether plants have been performing photosynthesis.Place Plant X in a dark closet and Plant Y on a sunny windowsill. Wait several days, then remove a leaf from each plant.Boil leaves in alcohol to remove the chlorophyll. Add a chemical indicator that detects sugars. (Dark purple = sugars are present; dark orange = sugars are not present)What results will the scientist most likely obtain when placing drops of the indicator on the leaves?Plant X: dark purplePlant Y: dark purplePlant X: dark orangePlant Y: dark purplePlant X: dark orangePlant Y: dark orangePlant X: dark purplePlant Y: dark orange
General
2 months ago
A triangle undergoes a sequence of transformations. First, the triangle is dilated by a scale factor of 1/3 about the origin. Then the triangle is reflected over the x-axis. Finally, the triangle is translated left 3 units and up 2 units.How does the image triangle compare to the pre-image triangle? Explain.
General
2 months ago
Find the surface area of the right square pyramid. Round your answer to the nearest hundredth.
General
2 months ago
What is the slope of the line represented by the values in the table?x y 10 142 -23 07 820 34
General
2 months ago
Triangle ABC is rotated to create the image A'B'C'. Which rule describes the transformation?
General
2 months ago
A 40-foot flagpole casts a 25-foot shadow. FInd the shawdow cast by a nearby building 200 feet tall.
General
2 months ago
Is 1/8 - 10 (3/4-3/8x) + 5/8x equivalent to -1/8(59-35x)Explain your answer.
General
2 months ago
The larger triangle is the image of the smaller triangle after a dilation. The center of the dilation is (−2,−2).What is the scale factor used to create the dilation?
General
2 months ago
What is the trigonometric ratio for sin Z?
General
2 months ago
If z is a positive integer, does 4 + 3(2z-5) represent a number that is greater than,less than ,or equal to 2(3z-4)? Please show me how you got the answer.
General
2 months ago
the sum of two numbers is 21 and their difference is 9
General
2 months ago
A big ship drops its anchor. E(t) models the anchor's elevation relative to the water's surface (in meters) as a function of time t (in seconds). E(t)=−2.4t+75 How far does the anchor drop every 5 seconds?
General
2 months ago
Which of the lines graphed has a slope of -2 and a y-intercept of 3?
General
2 months ago
Is the following shape a rectangle? How do you know?
General
2 months ago
Raymond has taken a position as the navigator on a speed boat racing team. The team entered a race that starts at Daytona Beach, Florida. The first leg of the race course has them traveling due east for 140 miles. They turn right and travel 160 miles for the second leg of the race. They make another right turn to start the third and final leg of the race, in which they will travel 180 miles back to the starting point at Daytona Beach. What is the measure of the turn between the second and third legs of the race? Round your answer to the nearest degree.
General
2 months ago
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